Method Reallocate

cpp/src/arrow/memory_pool.cc:782–787

  }

  Status Reallocate(int64_t old_size, int64_t new_size, int64_t alignment,
                    uint8_t** ptr) {
    RETURN_NOT_OK(pool_->Reallocate(old_size, new_size, alignment, ptr));
    stats_.DidReallocateBytes(old_size, new_size);
    return Status::OK();
  }

  void Free(uint8_t* buffer, int64_t size, int64_t alignment) {
    pool_->Free(buffer, size, alignment);